package practise;

import java.util.UUID;

public class StringUtils {
	public static boolean isEmpty(String s) {
		if (s != null && s.length() == 0) {
			return true;
		}
		return false;
	}

	public static void main(String[] args) {
		String s = "Hello";
		String s1 = "Hello";
		System.out.println(StringUtils.isEmpty(s));
		System.out.println(s.hashCode());
		System.out.println(UUID.randomUUID().toString());

	}
}
